Means for measuring pipe or the like



Nbv.l4,l944.

J.- E. LEVIN 2,362,907

MEANS FOR MEASURING PIPES QR THE LIKE Filed May 12 1943 ZZYVEUIUF JULIUS E.LEVIN Patented ,Nov. 14, 1944 U ITED STATE i ME-ANS'FOR MEASURING PIPE on 1 'THELIKE 1 I 1;

Julius E. Levin, ohicage, n, V Application May 12,, 1943, 'Serial No. 486,791 f 3 Claims. (01. 33 -17 x "The present invention relates to ameans formeasuring arcuate 'or'curvecl surfaces and may be'advantageously employed in gauging th'e'peripheries of pipes, rod and barstock or the like. More particularly, the invention is concerned with a convenient pocket size gauge which is adapted to indicate such pertinent data as the tap size,

the internal diameter of the pipe or other infor-. mation, in addition to providing means for measuring thecross section of rod or bar stock or the like according to one or more different-linear scales; I r c It is an object of the present'invention to pm, vide a device-of the character described which is adapted to be set in'one position to measure arcuate or curved surfaces and .by'means of an other setting to provide a'calibrated' straight'edge for accomplishing other desired measurements;

Another object ofrthe invention is the pro vision of a device which is capable of providingaocomparison between two or more different sets of :measuring. indicia whereby the measurements of objects may be determined according to any one or all of said scales. s I

I It is a still furtherobject of the present. invention to provide asimple, efficientmeasuring gauge which may-be used by' inexperienced persons and yetbe capable of rendering accurate information. 1

- .In accordance withthe general 'features'of the invention, thereis provided a measuring gauge comprising a pair of cooperating members dis-i posed in relativelyrpivotal and substantially overlyingrelation td'each other, a scale on one of said members graduated to cover .arange of'sizes' of objects to bermeasured indicating means on the otherof said rmembersicooperating with said scale, cooperating elements on each of-saidmembers for contacting spaced points on the periphery ing the gauge. 1

Moreover, a straight edge may'beprovided on each 'oflsaid gauge members which may be put to any of several important uses; For instance, measuring indicia of diiferent systems may be applied to the straight edges for determinin v other desired information concerningobjects to be measured; each of said scales being individuill ally'employed disttse use of straight edges on'the gauge.

1 Other pbjectsandf. advantages of the present invention will 'b'ef readily understood by those familiar with the art or f will" become apparent from the description of an embodiment of the in ventionalimlfstmtedfin t e accompanying drawin inwhichy I d Figure -l isa plan viewbf a device embodying the 'principlesfo '-'theinvention and shown in Figure 2 represents *a' I plan uring an objectyand'ff f Figure 3' is-a se'ction from the line III-III of Figure 1, 5

l The device illustrated in the accompanyin drawin whichrepresentsbut one embodiment of the invention comprisestwo plates 5 and 6 which may. advantageously'be formed of thin sheet metal, suitablepla'stioor other like material which has been'molded, stamped or cutto form. Members 5 and 6 are adapted to 'berelatively pivotally mounted with'res'pectto each other, a flat headed pin or rivet I being providedand passing through- 9'in..sai d'p1ates 5 and 6 respecplates together in apertures 8 and tively so as to connect said pivotal and over-lying relation in the manner illustrated inFigure 1. 4 v v The-plate 5 has formed at one end'thereof a pair ofarcuate contacting or c'aliper'portions i0: is formed on a lug I2 and l l-of which portion-{ll which-projects fror'n-"dne' edge of said plate 5. One edge of plate 5 such 13' which may advantageously be that opposite the contacting portions l 0- and I l is provided with a'straight edge along which is disposed a scale,

indicated by -the reference character [4, which maybe calibrated inany' suitable fashion depending upon the charact'er of the measurement for which said'scale isintended to be employed.- In the illustratedembodiment of the invention,- the scale has been shown as being calibrated in inches and the fractional parts thereof, al-' though it will be understood that any suitable measuring indicia may beemployed;

On theface of the plate5 which to the pivotally mounted and overlying plate 6 is provided a plurality of markings l5 which are arranged in substantially radial relation with respect-to the center of the pin 1 about which plates 5 and B are pivotally mounted. Each of said markings I5 is provided with an associated nudjin'cooperative relation for:-comparison'offthe"data thus obtained. Nu-i us. other advantages'are to be found in the I view'of the device a of Figure-1 showninfthepositionof use in measfor example, as the edgeis conti uous sponds to the size or characteristics of the object being measured by the device. In the illustrated embodiment of the invention which is adapted to be applied to the measurement of various sizes of pipe the character designations at one end of said markings l5 may be employed to indicate the internal diameter of the pipe while similar character designations may be employed at the opposite end of said? markings-to indicate the tapsize.

The plate 6 is generally similar in shape to that of plate 5 but is lacking in the contacting points and II and the projecting lug l2 thereof. Plate 6, on the other hand, is provided at; one edge thereof with an irregularly curved con, tact surface l6 which cooperates with the arcuate contacting portions l0 and II of the plate toing the gauge up when not in use.

It will, of course, be understood that various details of construction may be varied through a wide range without departing from the principles of this invention and it is, therefore, not the purpose to limit the patent granted hereon otherwise than necessitated by the scope of the appended claims.

WhatIclaimis:

1. In a measuring device characterized by two projection l2 of plate 5 for convenience in han elements disposedin relativel pivotal relation to contact the outer periphery of: the object. to. be: I

measured in the manner indicated in Figure 2 wherein the object P is being gauged. The edge of. plate 6 which correspondstothe. edge l3 ofplate 5: is provided: with a straight. edge and. a

scale. I8 thereon which, as before, may becali brated in any suitable manner depending upon. the character oi bhB'r.Qhj8G13St which it is desired to: measure: In the. device.- illustrated the scale M has: been calibrated according to the. metric system.

6n the edge of plate 5: adjacent to the. con. tacting or caliper portion l6 thereof, is-disposed; a lugport-ion. or indicator IS on either side of which. are formed the. notched portions 20 and;

2|. When the contactingpor'tions H1 and H1 or the: plate 5 are placed. in contact the periphera-1: surfiace of. the objectB-r for instance, and. the plate 6 is rotated about the pin. 1. so as to. bringcontacting portion IS-intecontact with the peripheral surface of the objectP, the indicator t9 wi-ll= bepositioned at one of. the markings l5 which will correspond with. the dimension or di mensions of. the: object? which. are to: be deters mined. In the illustrated devicewhen the indi-- ca/tor. l9 registers withamarking lionthe face of plate 5; the notched. portions 20* and- 2| will: bracket one or more character designations asso. ciatedwith said! l5. It will; be-understoodthat any of. a number of. correlated measurements' may be associated with. each of: themarkings' l5.

An upstanding projection or, button '22 is formed in the face of plate 5 at. anoint adjacent the contacting portions: 1- and. 11 thereof, The button 22 is intended to? delimit the extent of-. rotation of the plate 6 with. respect to the plate 5 Thus, whenzthecontacting surface m of plate It is in contact with the button 23,. the indicator t5 will register with. the marking 15 which corresponds to the smallest dimension which the device is adapted to gauge. However, when; the gauge: is to be folded into itsmost compact form during non-use; the notched? portion 10 will en-- gagebutton 22. In this arrangement. the plates 5 and16 will: substantially completely overlie each other and the edges t3 and: I! ofsaid; plates, respectively; will be positioned in substantially parallel: relation,. as indicated Figure 1. of the: drawing, thereby enabling the user to) make comaparative measurements on. the scales M and 1:8: thereon. if hesodesires.

A hole 23: mayadvantageously be provided in each other, one of which elements has contacting meansforen'ga'ging the arcuate or'curved surface to be gauged and a scale made up of a plurality of. measuring indicia while the other element is provided with indicating means on one edge thereof cooperating with the scale 'on the other of said elements and contacting means coacting with the contacting means on the other element todetermine the position of the-indicating means with respect. tor saidz scale, means associated with theindicatingmeans. for designating onthe scale the: specificv one. of. the measuring, indicia which corresponds tothesetting of. the indicating. means withr'espect thereto, said designating means com.-

prising a notched.- portion adjacent said indicating. means. 1 v V 2.. Ina' measuring device characterized bytwoelements disposed. in relatively pivotal. relation to each other;. onev of which elements has contacting means for engaging the arcuate or curved surface to-begauged and a scale made up, oif'a plurality of: measuring indicia while the other elementv is providedwi-th: indicating means on one edge thereofcooperati-ng with the: scale onth other of said: elements: and: contacting'means co-' acting with. the contacting means on; the other element; to: determine. the position of the indicating means with respect: to said scale, means associated with: the indicating. means for designating on the scale thespecific measuring indiciacorresponding tothe setting of the indicatportions: adjacent said. indicating: means;

3; Ina measuring device: characterized. by two elements disposed inrelatively pivotal relation. to each other, one of which elements has contactingmeans for engaging the arcuate or curved surface to; be gauged and a scale made up ofv a. plurality of measuring indicia while th other element is; provided with indicating means on one edge thereof cooperating: with the scale on the other'oi saidv elements and'contacting' meanscoacting with the; contactingmeans on the other element todetermine the position. of the. indicating means: with respect to said scale, means associated with the: indicating means for designating. on the scale the. specific one of the measuring indicia which corresponds to the setting of the indicating means. with respect thereto, sai'd contactinggmeans comprising a plurality of curved convex edges. least two being. on one of said elements and. one being on the other of said elements; said. elements having straight edges opposite from said convexv edges, arranged for par- 

